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Observation 1
Feature(s)	GRS Ganimedes Transit
Filter(s)	r g b.
Date	2021-07-18 00:23:00
Julian day	2459413.515972222
System I	344.322°
System II	44.00015°
System III	218.60439°
Illumination	99.7%
Phase angle	6.699999809265137°
Solar longitude	43.8°
Eq. diameter	47.2″
Derotation	0.0 min